obama wrote about tom coburn. hillary clinton wrote about obama. it's interesting that way. >> that's nice. >> how do you do that? that's what i want to know. you call up hillary and say i want you to write a nice blurb. >> there's nothing fancy about it. we think of the list. who should be on it. we think who would be the most interesting person to write about that person? so the egyptian jon stewart is written by jon stewart. they want to do it. it's a happy thing in many cases because many of the people on the list are social entrepreneurs and people doing really good things and three women who have basically allowed newborns with aids to be cured. so they are getting a chance to write about people that are doing something that's valuable and important. >> tell us about the covers. >> so the covers. thank you, mark. there are actually seven different covers in all. if you turn. there's jay-z. this is so old fashioned. jennifer lawrence. elon musk. internationally a couple different ones. these covers will rotate. collect them all. >> they are li